153934421 has 8 divisors (see below), whose sum is σ = 155675520. Its totient is φ = 152203408.

The previous prime is 153934411. The next prime is 153934471. The reversal of 153934421 is 124439351.

153934421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 153934421 - 2⁶ = 153934357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153934411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30560 + ... + 35238.

It is an arithmetic number, because the mean of its divisors is an integer number (19459440).

Almost surely, 2^153934421 is an apocalyptic number.

It is an amenable number.

153934421 is a deficient number, since it is larger than the sum of its proper divisors (1741099).

153934421 is a wasteful number, since it uses less digits than its factorization.

153934421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5043.

The product of its digits is 12960, while the sum is 32.

The square root of 153934421 is about 12407.0311114303. The cubic root of 153934421 is about 535.9347457596.

The spelling of 153934421 in words is "one hundred fifty-three million, nine hundred thirty-four thousand, four hundred twenty-one".